18390970 is an even 8-digits composite number following 18390969
and preceding 18390971 . In scientific notation, it is written as 1.8390970 × 10^7.
The sum of its digits is 37. It has a total of 5 prime factors and 32 positive divisors.
There are 6746112 positive integers (up to 18390970) that are relatively prime to 18390970.
18390970 has 32 divisors, whose sum is 35883792
The reverse of 18390970 is 07909381
Previous prime number is 193
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
eighteen million three hundred ninety thousand nine hundred seventy
Scientific notation
1.8390970 × 10^7
Engineering notation
1.8390970 × 10^6
Prime Factorization
2 × 5 × 13 × 193 × 733
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
18390970
Product of the distinct prime numbers
The prime factorization of 18390970 is 2 × 5 × 13 × 193 × 733.
Since it has a total of 5 prime factors.
5 , 4 , 20 , 79 , 582 , 685 , 2611 , 2483 , 59505 , 20877 , 582162 , 401762 , 7611199 , 2711027 , 10619782 , 30792503 , 771846145 , 131584525 , 2514156916 , 3393217292
n×2
36781940
n×3
55172910
n×4
73563880
n×5
91954850
n÷2
9195485
n÷3
6130323.3333333
n÷3
4597742.5
n÷5
3678194
n2
338227777540900
n3
6.2203369099214E+21
n4
1.1439802950026E+29
n5
2.1038907285983E+36
2 √n
4288.469423932
3 √n
263.95803013559
4 √n
65.486406405696
5 √n
28.374023702504
1 , 2 , 5 , 10 , 13 , 26 , 65 , 130 , 193 , 386 , 733 , 965 , 1466 , 1930 , 2509 , 3665 , 5018 , 7330 , 9529 , 12545 , 19058 , 25090 , 47645 , 95290 , 141469 , 282938 , 707345 , 1414690 , 1839097 , 3678194 , 9195485 , 18390970
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18390969
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18390970 can be divided by 32 positive divisors.
The sum of these divisors (counting 18390970) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1000110001001111110111010
3
Ternary
1021121100200001
4
Quaternary
1012021332322
5
Quinary
14202002340
6
Senary
1454103214
8
Octal
106117672
10
Decimal
18390970
12
Duodecimal
61aab0a
16
Hexadecimal
1189fba
20
Vigesimal
5eih8a
36
Base36
ay6ka
md5
a6faa77174dd3d1f6b425232614d6772
sha1
660ad522c8d8655206de91ae73b94a46394384d6
sha256
fd023f41abd1a39ba1f06f7eda6939a51e290b21f5b989414f2716a400386a57
sha512
9505d04985a59be69c9e85dbfaedf55fa1f5c0694e782c4331f0f8002f32e6d901b09a335014ce18f1a9360ee1202981b1dbbfa9f10737f6f143b3b2d3b38b39
ripemd-160
88f35c9bdd2c9d7c804dec8210a9f7503ade61cf
Diameter
36781940
Circumference
115553872.48878
Area
1.0625739011625E+15
Volume
2.605568631875E+22
Surface area
4.25029560465E+15
Circumference
115553872.48878
Perimeter
73563880
Area
338227777540900
Diagonal
26008759.199197
Surface area
2029366665245400
Volume
6.2203369099214E+21
Space diagonal
31854094.440475
Perimeter
55172910
Area
1.4645692380799E+14
Altitude
15927047.220237
Surface area
1.4645692380799E+14
Volume
7.3307373504506E+20
Height
8669586.3997322